2024-05-10_87dcbb1a57cfaf98564a9bfbb7c5d05b_cryptolocker | Triage

Sharing

General

Target

2024-05-10_87dcbb1a57cfaf98564a9bfbb7c5d05b_cryptolocker
Size

41KB
MD5

87dcbb1a57cfaf98564a9bfbb7c5d05b
SHA1

5f08a74c7e1abd0ca0d8bda35958b26bf2840b11
SHA256

dce1d4ce16492af5e59b0fba376eae9990558c86dc328a8e28102be81c462f6b
SHA512

2cc19f50fef48565bf076f4c74fcbeec8a230efe626d50dfdb794ccd43097e161c4b35de190c91b86f784c3d0dfe541bbad0e01f3483e5701bf77d703d79655b
SSDEEP

768:bA74zYcgT/Ekd0ryfjPIunqpeNswmT3Hwqg:bA6YcA/X6G0W143QH

Score

10^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
sample	CryptoLocker_rule2

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-05-10_87dcbb1a57cfaf98564a9bfbb7c5d05b_cryptolocker

Files

2024-05-10_87dcbb1a57cfaf98564a9bfbb7c5d05b_cryptolocker
.exe windows:5 windows x86 arch:x86

021d5e7849e90fdf4c65d3045c109483

Headers

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE

Imports

user32

UpdateWindow
LoadCursorA
ShowWindow
PostQuitMessage
GetMessageA
EndPaint
DispatchMessageA
BeginPaint
TranslateMessage
CreateWindowExA
RegisterClassExA
DefWindowProcA
MessageBoxA
SendMessageA
DestroyWindow
LoadIconA
GetWindowRect
SetWindowPos

kernel32

GetCurrentThreadId
CreateFileA
GetLastError
lstrcpyA
GetModuleHandleA
GetCommandLineA
FindFirstFileA
GetCurrentDirectoryA
FindClose
GetFileSize
FindNextFileA
DeleteFileA
CloseHandle
GetCurrentProcessId
GetCurrentProcess

gdi32

CreateFontIndirectA

Sections

.text
Size: 11KB - Virtual size: 11KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 3KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 8KB - Virtual size: 8KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 1024B - Virtual size: 536B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ